Home / 32,976.57-45,509.90-18,631.43

Finding the Fourth Proportional to 32,976.57, 45,509.90 and 18,631.43

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Solution

The fourth proportional to 32,976.57, 45,509.90 and 18,631.43 is: 25,712.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,976.57 : 45,509.90 = 18,631.43 : x
  2. Step 2: Convert to fraction form
    32,976.57/45,509.90 = 18,631.43/x
  3. Step 3: Cross multiply
    32,976.57x = 45,509.90 × 18,631.43
  4. Step 4: Simplify right side
    32,976.57x = 847,914,516.16
  5. Step 5: Solve for x
    x = 847,914,516.16/32,976.57
  6. Step 6: Final answer
    x = 25,712.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.